nc <- sf::st_read(system.file("shape/nc.shp", package="sf"))
#> Reading layer `nc' from data source `/home/goo/programming/R/libs/sf/shape/nc.shp' using driver `ESRI Shapefile'
#> Simple feature collection with 100 features and 14 fields
#> Geometry type: MULTIPOLYGON
#> Dimension:     XY
#> Bounding box:  xmin: -84.32385 ymin: 33.88199 xmax: -75.45698 ymax: 36.58965
#> Geodetic CRS:  NAD27
nc1 <- sf::st_read(system.file("shape/nc.shp", package="sf"))
#> Reading layer `nc' from data source `/home/goo/programming/R/libs/sf/shape/nc.shp' using driver `ESRI Shapefile'
#> Simple feature collection with 100 features and 14 fields
#> Geometry type: MULTIPOLYGON
#> Dimension:     XY
#> Bounding box:  xmin: -84.32385 ymin: 33.88199 xmax: -75.45698 ymax: 36.58965
#> Geodetic CRS:  NAD27

objs <- list(nc, nc1)
objs$.name_spec <- "{outer}_{inner}"
do.call(vctrs::vec_c, objs)
#> Error:
#> ! Can't use a name specification with non-vctrs types.
#> vctrs methods must be implemented for class `sfc_MULTIPOLYGON`.
#> See <https://vctrs.r-lib.org/articles/s3-vector.html>.

objs$.name_spec <- NULL
do.call(vctrs::vec_c, objs) |> head() # do not print 200 lines
#>    AREA PERIMETER CNTY_ CNTY_ID        NAME  FIPS FIPSNO CRESS_ID BIR74 SID74
#> 1 0.114     1.442  1825    1825        Ashe 37009  37009        5  1091     1
#> 2 0.061     1.231  1827    1827   Alleghany 37005  37005        3   487     0
#> 3 0.143     1.630  1828    1828       Surry 37171  37171       86  3188     5
#> 4 0.070     2.968  1831    1831   Currituck 37053  37053       27   508     1
#> 5 0.153     2.206  1832    1832 Northampton 37131  37131       66  1421     9
#> 6 0.097     1.670  1833    1833    Hertford 37091  37091       46  1452     7
#>   NWBIR74 BIR79 SID79 NWBIR79                       geometry
#> 1      10  1364     0      19 MULTIPOLYGON (((-81.47276 3...
#> 2      10   542     3      12 MULTIPOLYGON (((-81.23989 3...
#> 3     208  3616     6     260 MULTIPOLYGON (((-80.45634 3...
#> 4     123   830     2     145 MULTIPOLYGON (((-76.00897 3...
#> 5    1066  1606     3    1197 MULTIPOLYGON (((-77.21767 3...
#> 6     954  1838     5    1237 MULTIPOLYGON (((-76.74506 3...